Oriental Herb Company's classic preparations have been used for centuries in the Orient and are now available directly to consumers. We select only the finest organically grown herbs that are heavy metal, sulfur and pesticide free. Our herbs are prepared in a fully sanitized environment and hermetically sealed to prevent any aerobic or non-aerobic organisms from growing in them. All formulations are hand prepared in the US. Our formulas have proven themselves to be effective since the companies inception in 1976.